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John Overdeck Two Sigma Investments
AUM
$138B
Turnover
29.02%
1-Year Est. Return
41.87%
John Overdeck is a co-founder of Two Sigma Investments, one of the world’s leading quantitative and technology-driven investment firms. Two Sigma applies data science, machine learning, and large-scale computing to markets across asset classes. Overdeck’s firm is a central reference point in discussions of modern systematic investing.
This Fund
S&P 500
This Quarter Est. Return
+21.14%
1 Year Est. Return
+41.87%
3 Year Est. Return
+122.61%
5 Year Est. Return
+129.48%
10 Year Est. Return
+649.67%
AUM
$138B
AUM Growth
+$14.2B
(+11%)
Cap. Flow
-$5.38B
Cap. Flow % of AUM
Cap. Flow %
-3.9%
Top 10 Holdings %
Top 10 Hldgs %
8.28%
Holding
5,589
New
1,050
Increased
1,919
Reduced
1,756
Closed
572
Avg Time Held
Equity + Options
1.4
years
Top 10 Avg Time Held
Equity + Options
0.2
years
Top 20 Avg Time Held
Equity + Options
0.2
years
Avg Time Held Equity only
1.7
years
Top 10 Avg Time Held Equity only
0.2
years
Top 20 Avg Time Held Equity only
0.2
years
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Intuit
INTU
|
+$753M |
| 2 |
Boston Scientific
BSX
|
+$540M |
| 3 |
Dow Inc
DOW
|
+$485M |
| 4 |
Wells Fargo
WFC
|
+$457M |
| 5 |
Goldman Sachs
GS
|
+$378M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Micron Technology
MU
|
+$1.32B |
| 2 |
NVIDIA
NVDA
|
+$1.02B |
| 3 |
Alphabet (Google) Class A
GOOGL
|
+$787M |
| 4 |
Sandisk
SNDK
|
+$744M |
| 5 |
Dell
DELL
|
+$688M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 19.7% |
| 2 | Financials | 15.22% |
| 3 | Miscellaneous | 12.05% |
| 4 | Healthcare | 11.94% |
| 5 | Industrials | 11.56% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
4351
PUT
Lennox International
LII
$12.3B
| $344K | ﹤0.01% |
+600
| New | +$305K |
2026 Q2
0 quarters
|
|
4352
CALL
The Gap Inc
GAP
$8.27B
| $344K | ﹤0.01% |
18,400
+4,100
| +29% | +$94.5K |
2026 Q1
1 quarter
|
|
4353
NextNav
NN
$1.62B
| $344K | ﹤0.01% |
+19,273
| New | +$373K |
2026 Q2
0 quarters
|
|
4354
PUT
Conagra Brands
CAG
$6.7B
| $343K | ﹤0.01% |
25,500
+14,500
| +132% | +$202K |
2026 Q1
1 quarter
|
|
4355
CALL
Consolidated Edison
ED
$40.6B
| $343K | ﹤0.01% |
3,100
+100
| +3% | +$10.9K |
2025 Q4
2 quarters
|
|
4356
CALL
Star Bulk Carriers
SBLK
$3.26B
| $342K | ﹤0.01% |
+13,700
| New | +$354K |
2026 Q2
0 quarters
|
|
4357
Spruce Power Holding Corp
SPRU
$26M
| $342K | ﹤0.01% |
132,531
-29,256
| -18% | -$95.5K |
2025 Q3
3 quarters
|
|
4358
Entrada Therapeutics
TRDA
$188M
| $342K | ﹤0.01% |
46,402
+1,800
| +4% | +$17.3K |
2025 Q3
3 quarters
|
|
4359
PUT
Best Buy
BBY
$19.1B
| $341K | ﹤0.01% |
+4,500
| New | +$299K |
2026 Q2
0 quarters
|
|
4360
TechTarget
TTGT
$265M
| $341K | ﹤0.01% |
+94,840
| New | +$435K |
2026 Q2
0 quarters
|
|
4361
CALL
Viatris
VTRS
$21B
| $341K | ﹤0.01% |
+21,500
| New | +$333K |
2026 Q2
0 quarters
|
|
4362
CALL
Huntington Bancshares
HBAN
$30.8B
| $340K | ﹤0.01% |
19,200
-13,100
| -41% | -$216K |
2026 Q1
1 quarter
|
|
4363
CALL
Woodward
WWD
$19.4B
| $340K | ﹤0.01% |
800
-1,100
| -58% | -$417K |
2026 Q1
1 quarter
|
|
4364
PUT
Avis
CAR
$3.62B
| $340K | ﹤0.01% |
+2,300
| New | +$506K |
2026 Q2
0 quarters
|
|
4365
VictoryShares US Value Momentum ETF
ULVM
$261M
| $340K | ﹤0.01% |
+3,200
| New | +$327K |
2026 Q2
0 quarters
|
|
4366
Evommune Inc
EVMN
$191M
| $339K | ﹤0.01% |
+25,526
| New | +$593K |
2026 Q2
0 quarters
|
|
4367
PureCycle Technologies
PCT
$587M
| $339K | ﹤0.01% |
+41,815
| New | +$375K |
2026 Q2
0 quarters
|
|
4368
CALL
Planet Fitness
PLNT
$3.98B
| $339K | ﹤0.01% |
+6,500
| New | +$381K |
2026 Q2
0 quarters
|
|
4369
Strive US Energy ETF
DRLL
$339M
| $338K | ﹤0.01% |
+10,100
| New | +$366K |
2026 Q2
0 quarters
|
|
4370
PrimeEnergy Resources
PNRG
$331M
| $338K | ﹤0.01% |
2,023
-518
| -20% | -$110K |
2025 Q2
4 quarters
|
|
4371
Ternium
TX
$11.4B
| $337K | ﹤0.01% |
7,900
+900
| +13% | +$40.6K |
2026 Q1
1 quarter
|
|
4372
CALL
Roblox
RBLX
$36.3B
| $337K | ﹤0.01% |
6,200
-39,600
| -86% | -$1.97M |
2026 Q1
1 quarter
|
|
4373
Candel Therapeutics
CADL
$628M
| $337K | ﹤0.01% |
32,731
-60,769
| -65% | -$459K |
2025 Q2
4 quarters
|
|
4374
SOPHiA GENETICS
SOPH
$552M
| $337K | ﹤0.01% |
58,333
+48,135
| +472% | +$244K |
2026 Q1
1 quarter
|
|
4375
Triumph Financial Inc
TFIN
$1.47B
| $336K | ﹤0.01% |
+4,400
| New | +$299K |
2026 Q2
0 quarters
|
|
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John Overdeck's Q2 2026 Portfolio in Review
As of Q2 2026, John Overdeck held 5,589 positions worth $138B, up 11% from $124B the previous quarter. Its ten largest holdings account for 8.3% of the portfolio.
John Overdeck withdrew a net $5.38B in Q2 2026, closing 572 positions and reducing 1,756 holdings. Its most notable exit was State Street Technology Select Sector SPDR ETF, an estimated $172M position sold in full.
By sector, the portfolio is most concentrated in Technology at 20% of assets, up from 19% a quarter earlier, followed by Financials and Miscellaneous.
Against the trend, John Overdeck opened a new position in Intuit worth $564M.
- John Overdeck's largest Q2 2026 buy was Intuit: 2,161,507 shares worth $564M.
- John Overdeck added most to Boston Scientific in Q2 2026, an estimated $540M increase.
- John Overdeck's biggest Q2 2026 reduction was Micron Technology, cutting an estimated $1.32B.
- John Overdeck fully exited State Street Technology Select Sector SPDR ETF in Q2 2026, selling an estimated $172M.
- John Overdeck's ten largest holdings make up 8.3% of its $138B portfolio in Q2 2026.
- John Overdeck opened 1,050 new positions and closed 572 in Q2 2026.
- John Overdeck's portfolio value rose 11% quarter-over-quarter to $138B.
Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.